Beispiel #1
0
/*
CreateWand() creates a new wand for this Image by using Blob data
*/
func (this *Image) CreateWand() error {
	if this.magickWand != nil {
		this.DestoryWand()
	}
	status := C.createWand(&this.magickWand, (*C.uchar)(unsafe.Pointer(&this.Blob[0])), C.size_t(len(this.Blob)))
	if status == 0 {
		var etype int
		descr := C.MagickGetException(this.magickWand, (*C.ExceptionType)(unsafe.Pointer(&etype)))
		defer C.MagickRelinquishMemory(unsafe.Pointer(descr))
		err := errors.New(fmt.Sprintf("error create magick wand: %s (ExceptionType = %d)", C.GoString(descr), etype))
		this.DestoryWand()
		return err
	}

	return nil
}
Beispiel #2
0
/*
CreateWand() creates a new wand for this Image by using Blob data
*/
func (this *Image) CreateWand() error {
	var err error = nil
	tran := this.Cat.NewTransaction("GraphicsMagickCmd", "CreateWand")
	defer func() {
		tran.SetStatus(err)
		tran.Complete()
	}()
	if this.magickWand != nil {
		this.DestoryWand()
	}
	status := C.createWand(&this.magickWand, (*C.uchar)(unsafe.Pointer(&this.Blob[0])), C.size_t(len(this.Blob)))
	if status == 0 {
		var etype int
		descr := C.MagickGetException(this.magickWand, (*C.ExceptionType)(unsafe.Pointer(&etype)))
		defer C.MagickRelinquishMemory(unsafe.Pointer(descr))
		err = errors.New(fmt.Sprintf("error create magick wand: %s (ExceptionType = %d)", C.GoString(descr), etype))
		this.DestoryWand()
		return err
	}

	return nil
}